and many more benefits!

Find us on Facebook

GMAT Club Timer Informer

Hi GMATClubber!

Thank you for using the timer!
We noticed you are actually not timing your practice. Click the START button first next time you use the timer.
There are many benefits to timing your practice, including:

Hide Tags

Geologists once thought that the molten rock known as lava [#permalink]

Show Tags

16 Jul 2007, 17:49

00:00

A

B

C

D

E

Difficulty:

(N/A)

Question Stats:

0%(00:00) correct
0%(00:00) wrong based on 0 sessions

HideShow timer Statistics

Geologists once thought that the molten rock known as lava was an underground remnant of Earth's earliest days, sporadically erupting through volcanoes, but they now know that it is continuously created by the heat of the radioactivity deep inside the planet.
a) was an underground remnant of Earth's earliest days, sporadically erupting
b) had been an underground remnant of Earth's earliest days and sporadically erupted
c) was an underground remnant of Earth's earliest days, which sporadically erupted
d) would be an underground remnant of Earth's earliest days that sporadically erupted
e) was an underground remnant of Earth's earliest days, having sporadically erupted